Prince Philip is easily Britain's most blundering royal, but he's certainly not the only member of the monarchy to make a public blooper. To mark the Duke of Edinburgh's 90th birthday, TIME takes a look at some of the royal family's biggest gaffes

Prince Philip on How to Offend Australia's Aborigines

By William Lee AdamsFriday, June 10, 2011

Torsten Blackwood / AFP / Getty Images

As part of the Aboriginal rights movement, Australia's Aborigines seek freedom from oppression and poverty and hope to cast off the stereotype that they're warring tribesman. Prince Philip clearly missed the memo. During a visit to the Aboriginal Cultural Park in Queensland, Australia, in 2002, he asked successful Aboriginal businessman William Brin, "Do you still throw spears at each other?" Once again Buckingham Palace was left to clean up the mess. "They were lighthearted comments," a spokesman said. "There was no offense intended."